General
21 articles in this category
The Economics of Attention — Why Free Products Are the Most Expensive Ones You Use
The average American spends 2 hours and 31 minutes per day on social media. If you value your time at $30 an hour...
Mental Models Aren't Trendy Self-Help — They're How Engineers, Traders, and Generals Actually Think
An influencer posts a carousel on LinkedIn. "10 Mental Models That Will Change Your Life." Clean graphics, pastel...
Incentives Explain Everything — The One Mental Model That Decodes Any System
In 1902, the colonial government of British India had a cobra problem. Delhi was overrun with venomous snakes, so the...
Why Certifications Beat Degrees in 7 Out of 10 Hiring Decisions Now
Two candidates applied for the same data analyst role at a mid-size fintech company last quarter. Candidate A had a...
Entropy Isn't Chaos — It's the Most Useful Concept Physics Ever Gave to Business
A startup with ten people ships code twice a day. Decisions happen in hallway conversations. Everyone knows what...
Why Transistors Are Running Out of Road — And What Comes After Moore's Law
The chip in your phone contains roughly 15 billion transistors. The Milky Way holds somewhere between 100 and 400...
Bluffing, Signaling, Commitment — Game Theory Concepts You Already Use Without Knowing
A candidate walks into a job interview wearing a suit that costs more than their current monthly rent. The interviewer...
How a 10-Minute Spreadsheet Beats a 10-Page Business Plan
A founder I know spent three weeks writing a 40-page business plan. Printed it on heavy stock. Bound it with a clear...
The AI Leverage Map — Where Automation Multiplies You vs. Where It Wastes Your Time
Marcus ran a 12-person marketing agency and decided, sometime around February, that he would automate everything. Email...
Define, Refresh, Decide - The BI System Your Standups Need
Your team can ship product by instinct for only so long. Past a certain headcount, "strong opinions loosely graphed"...
Weekly Strategy, Daily Execution - Your Operating System
A recruiter at Google once told a room full of interns that the single best predictor of long-term performance wasn't...
Cadence Wins - Culture Rules, Maker Time, and Milestones
A 12-person product team at a mid-stage startup shipped 23 features in Q1 2024. By Q3, with 19 people on payroll, they...
Risk, Compliance, and Supply Chain - Preventable Headaches
Somewhere right now, a plant manager is staring at a supplier's late shipment while a compliance officer two floors up...
From Zeros to Clarity: How Exponents and Logs Explain Growth
Somebody in a meeting says "we need a ten-times jump" and the room goes quiet, like the phrase itself weighs 500...
Arithmetic Habits That Save Time and Cash
A $4.99 bag of rice at one store. A 750-gram bag for $5.25 at the one across the street. Your brain screams "cheaper"...
Basic Arithmetic in Business: Margins, Markups, and No Nonsense
A coffee shop owner in Portland ran her entire first year on "vibes and a spreadsheet she didn't understand." Revenue...
Basic Arithmetic for Real Life - Bills, Budgets, and Better Decisions
A $4.72 overdraft fee showed up on a checking statement last Tuesday. Not a catastrophe. Not even particularly painful....
Top Skills Employers Look for in High School Graduates
In 2025, LinkedIn analyzed over 15 million job postings aimed at entry-level candidates and recent graduates. The...
How Math is Used in Everyday Life
You used math six times before breakfast this morning. Not the solve-for-x, show-your-work kind. The invisible kind....
The Importance of Science in Solving Global Issues
In 2020, scientists sequenced the SARS-CoV-2 genome in roughly 10 days. Within a year, multiple effective vaccines...
10 Effective Study Habits for High School Students
You spent three hours highlighting a textbook last night. The pages glow neon yellow. You feel productive, maybe even...